Spool for fly fishing reel



FIG. 1 is a front perspective view of a spool for fly fishing reel in accordance with my design;

FIG. 2 is a rear perspective view thereof;

FIG. 3 is a top view thereof;

FIG. 4 is a left side view thereof; and,

FIG. 5 is a right side view thereof. 

I claim the ornamental design for a spool for fly fishing reel, as shown and described. 